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                    "email": "finnref_team@maanmittauslaitos.fi",
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                    "email": "finnref_team@maanmittauslaitos.fi",
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                        "value_varchar": "JAVAD TRE_3 DELTA"
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                            "name": "satellite_system"
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                        "value_varchar": "4.3.00-231129"
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                            "name": "temperature_stabilization"
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                        "value_numeric": null,
                        "value_varchar": "NaN"
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            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1994-06-14 00:00:00",
                "date_to": "1995-05-15 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
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                        "date_to": "1995-05-15 00:00:00",
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                        "value_numeric": null,
                        "value_varchar": "AOAD\/M_T"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
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                        "date_to": "1995-05-15 00:00:00",
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                        "value_numeric": null,
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                    },
                    {
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                            "name": "marker_arp_up_ecc"
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                        "value_numeric": 0,
                        "value_varchar": null
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                            "name": "marker_arp_north_ecc"
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                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1994-06-14 00:00:00",
                        "date_to": "1995-05-15 00:00:00",
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                        "value_numeric": 9,
                        "value_varchar": null
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                        "attribute": {
                            "name": "antenna_cable_type"
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                        "value_varchar": "UNDEFINED"
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                            "name": "antenna_cable_length"
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                        "date_to": "1995-05-15 00:00:00",
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                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1994-06-14 00:00:00",
                "date_to": "1995-05-15 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1994-06-14 00:00:00",
                        "date_to": "1995-05-15 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
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                        "date_to": "1995-05-15 00:00:00",
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                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
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            "item": {
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                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1995-05-15 00:00:00",
                "date_to": null,
                "item_attributes": [
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                            "name": "antenna_type"
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                        "date_from": "1995-05-15 00:00:00",
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                        "value_numeric": null,
                        "value_varchar": "AOAD\/M_T"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
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                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "381"
                    },
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                        "attribute": {
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                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1995-05-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1995-05-15 00:00:00",
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                        "value_numeric": 0,
                        "value_varchar": null
                    },
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                        "attribute": {
                            "name": "marker_arp_east_ecc"
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                            "name": "alignment_from_true_n"
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                        "date_to": null,
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                        "value_numeric": 9,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
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                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "15-MAY-1995 Radome installed\r\n29-JUN-1999 Antenna type naming changed\r\n06-APR-2001 Changes made to be consistent\r\nwith RINEX header. Radome is\r\nKootwijk type. BPA=ARP\r\n03-MAY-2001 Starting today (doy 123) the\r\nradome is named as DUTD.\r\nBefore it was named as DOME.\r\nThe radome is the same.\r\nThis change applies also to\r\nRINEX headers from now on.\r\n29-JAN-2007 Cable length 50-60m\r\nCable type RG213 or similar",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1995-05-15 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1995-05-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "DUTD"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1995-05-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1994-06-11 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "standard_type"
                        },
                        "date_from": "1994-06-11 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "INTERNAL"
                    },
                    {
                        "attribute": {
                            "name": "input_frequency"
                        },
                        "date_from": "1994-06-11 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "frequency_standard"
                }
            }
        },
        {
            "item": {
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                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-04-08 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "HMP45D"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala Oy, P.O.Box 26, FIN- 00421 HELSINKI,"
                    },
                    {
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                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
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                        "value_numeric": 30,
                        "value_varchar": null
                    },
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                        "attribute": {
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                        "value_date": null,
                        "value_numeric": 3,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "aspiration"
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                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
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                        "date_to": null,
                        "value_date": null,
                        "value_numeric": -1.466,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
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                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "humidity_sensor"
                }
            }
        },
        {
            "item": {
                "comment": "Data Frequency  30 s (every 30 s an averaged\r\nvalue over 30 s period is recorded)\r\nAccuracy (mbar)  Class A barometer:\r\naccuracy at +20 degC = +- 0.10 hPa;\r\ntotal accuracy including one year drift\r\n= +-0.20 hPa",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-04-08 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "PTU200ABA1AA"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala Oy, P.O.Box 26, FIN- 00421 HELSINKI,"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 30,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0.1,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": -1.466,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "pressure_sensor"
                }
            }
        },
        {
            "item": {
                "comment": "Data Frequency 30 s (every 30 s an averaged\r\nvalue over 30 s period is recorded)\r\nAccuracy (deg C)  At -20 degC +-0.4 degC,\r\nat   0 degC +-0.3 degC and\r\nat +20 degC +-0.2 degC\r\nOld HMP45A-P was replaced with HMP45D\r\nbecause this type can measure temperatures\r\nbelow -40 degC (HMP45A-P only down to\r\n-39.2 degC) which sometimes occur in the\r\nNorthern and Eastern Finland. Temperature\r\nand humidity sensors are inside a radiation\r\nscreen (Vaisala DTR13) at the height of\r\n2,0 m above the ground.",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-04-08 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "HMP45D"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala Oy, P.O.Box 26, FIN- 00421 HELSINKI,"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 30,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0.4,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "aspiration"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": -1.466,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "1999-04-08 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "temperature_sensor"
                }
            }
        }
    ],
    "station_networks": [
        {
            "name": "EPN"
        },
        {
            "name": "EPOS"
        }
    ],
    "station_type": "GNSS Continuous"
}